Important Takeaways:
- A magnitude 5.3 earthquake struck off the Pacific Coast Tuesday, generating shaking felt as far as Washington state — 375 miles from the epicenter.
- The tremblor hit at a depth of roughly six miles, striking 130 miles west of Port McNeill in northwest Vancouver Island around 12:37am ET.
- Three Washington residents in the towns of Greenbank, Forks and Sequim reported shaking from the quake, according to the US Geological Survey (USGS).
- They categorized the tremors as level two on the Modified Mercalli Intensity (MMI) Scale, which measures the intensity of seismic shaking.
- A score of two indicates ‘weak’ shaking that is typically ‘felt by only a few persons at rest, especially on upper floors or buildings,’ the USGS states.
- Although earthquakes of this size have been known to cause slight damage to buildings and other structures, there have been no reports of damages or injuries yet.
- This was the third quake to impact Washington state over the last four days.
- The first was a magnitude 4.8 that struck about 15 miles northeast of the coastal community of Sechelt, British Columbia just before 1:30pm Friday.
- Several smaller aftershocks followed, but there were no reports of damage.
- On Saturday, a magnitude 3.4 earthquake struck about four miles south-southeast of the Lea Hill neighborhood of Auburn, Washington.
- Many earthquakes in Washington state stem from the boundary between two tectonic plates: the Juan de Fuca and the North American.
- The Juan de Fuca plate is gradually subducting, or sliding beneath, the North American continent. The boundary where this occurs is called the Cascadia Subduction Zone (CSZ).
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Important Takeaways:
- Mount Spurr, which sits about 75 miles west of Anchorage, has seen “volcanic unrest” for the last 10 months, including an increasing number of earthquakes, according to a Feb. 6 statement from the Alaska Volcano Observatory.
- The unrest suggests “that an eruption is possible,” officials said.
- Since April, the number of earthquakes under the volcano has increased from 30 a week on average to 125 a week, officials said. The observatory “has located over 2,700 earthquakes during the unrest episode thus far,” according to officials, who said the largest of them was a magnitude 2.9 quake on Jan. 2.
- “Based on all available monitoring data,” the observatory views the chance of no eruption versus one similar to those in 1953 and 1992 as equal, officials said.
- Officials said they’d “expect to see additional seismic activity, gas emissions, and surface heating, as well as changes to surface deformation prior to an eruption, if one were to occur. Such stronger unrest may provide days to a few weeks of additional warning, but that is not certain.”
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Important Takeaways:
- The United States Geological Survey says the state experienced a 2.7 magnitude quake at 8:03 am ET Thursday in the city of Hayward.
- Two more earthquakes struck less than six hours earlier roughly 250 miles north, off the coast of Petrolia, California.
- USGS says the first tremor struck at 2:06 am ET and measured 3.3 on the Richter scale.
- It was quickly followed by a second 3.4 magnitude quake less than three hours later at 4:51 am ET.
- The two earlier earthquakes were centered roughly 20 miles apart from each other off the California coast.
- While the two quakes near Petrolia struck a relatively quiet part of northern California, the third quake in Hayward hit an area of the state right in between major cities like San Francisco, Oakland, and Fremont.
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Important Takeaways:
- A magnitude 4.5 earthquake rocked southern Texas Wednesday night, striking nearly 45 miles southwest of the city of San Antonio.
- The US Geological Survey (USGS) detected the seismic event at 9:26pm CT near Falls City, measuring it at a depth of about 2.3 miles.
- The quake ranks as the third-strongest earthquake ever to hit South Texas, following a magnitude 4.8 quake in 2011 and a 4.7 quake in February 2024 that also hit near Falls City.
- Wednesday’s earthquake was followed by a magnitude 2.6 aftershock that struck 10.5 miles south-southeast of Stockdale, Texas around 1:17am Thursday.
- No damages or injuries have been reported from either of the quakes.
- But could be more tremors to come. The USGS predicted a 36 percent chance of magnitude 3 aftershocks following the main quake.
- The vast majority of earthquakes result from the constant movement of tectonic plates, which are massive, solid slabs of rock that make up the planetary surface and shift around on top of Earth’s mantle — the inner layer between the crust and core.
- When that stress overcomes the friction, the plates slip, causing a release of energy that ravels in waves through the Earth’s crust and generates the shaking we feel at the surface.
- But quakes of this size are quite unusual for the Lone Star State.
- Experts have not confirmed whether the magnitude 4.5 Falls City earthquake was linked to fracking, but this city is located in the Eagle Ford Shale area which is known for oil and gas production.
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Important Takeaways:
- Nine total earthquakes — eight of which hit Sunday — were mainly near Coronaca with the largest being 2.5 magnitude on Sunday morning.
- Dozens of people felt the quakes and many took to social media to say they felt the rumbling Sunday in Greenwood County. But no damage was reported.
- After the group of six quakes Sunday morning, a 2.1 magnitude quake rattled 2.8 miles from Coronaca around 2:40 p.m. Sunday — making it the seventh quake on Sunday.
- Then, the eighth Sunday incident happened at 3:15 p.m. when a 1.5 magnitude quake struck 2.5 miles south-southeast of Coronaca.
- In Greenwood County, about 315 homes were damaged by Helene and about 12,000 residents have already applied for assistance from FEMA
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Important Takeaways:
- Residents in California experienced a swarm of five earthquakes within the last 48 hours.
- A 4.4-magnitude was felt in the north around Lake County on Saturday and two more struck the area the following evening, ranked as a 2.7 and 2.8-magnitude.
- Locals in southern California also reported two more quakes on Saturday, with the largest ranking a 3.9-magnitude.
- Northern California typically sees a spate of about 50 earthquakes per month, experienced two quakes this weekend, in addition to the two felt in the southern area of the state.
- ‘2024 has had more earthquakes than any year we’ve seen since 1988,’ Caltech geophysicist Dr Lucy Jones told reporters. ‘We should expect this to continue.’
- Experts believe a major quake in Southern California – usually defined as 7.0 and up – could kill at least 1,800, leave 50,000 injured and cause more than $200 billion in damage.
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Important Takeaways:
- Scientists are keeping a close eye on Kilauea and a new pulse of seismic activity.
- Although the volcano is not erupting, in the past 8 hours, 200 earthquakes have been detected in the Upper East Rift Zone.
- USGS officials say this may indicate magma being supplied to the zone.
- At this time, an eruption is not imminent.
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Important Takeaways:
- In the wake of a powerful earthquake shaking Russia and subsequent volcanic eruption, the country has been hit by two more seismic events.
- This magnitude 4.6 earthquake was reported in Buryatia, Russia, around 12 miles from the town of Severomuysk, while the 5.2 magnitude quake was detected 40 miles northeast of the tiny Russian island of Shikotan, just off the coast of Japan’s Hokkaido.
- These quakes occurred only days after a powerful 7.0 magnitude earthquake shook the Russian city of Petropavlovsk-Kamchatsky early on Sunday, occurring about 60 miles off the country’s far eastern coast. Russian news outlets reported that Petropavlovsk-Kamchatsky residents experienced some of the strongest shaking they had “in a long time,” according to the Associated Press. No major damage has been reported as a result of the quake, Russian media TASS reports, but “buildings are now being examined for potential damage, with special attention paid to social facilities.”
- In the day after the M7.0 quake, over 30 aftershocks were felt around the nearby region.
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Important Takeaways:
- A significant earthquake just hit the Los Angeles area, striking two miles southwest of Pasadena, California.
- According to the U.S. Geological Survey, the earthquake was magnitude 4.4 and felt through the nearby counties.
- The tectonic plate responsible for the LA quake is the same one responsible for the Japan quake last Thursday, sparking fears of a ‘megaquake.’
- Emergency response groups have warned residents to “be prepared for aftershocks.” The quake caused no injuries or major damage, and the National Weather Service said a tsunami was not expected.
- The quake comes less than a week after a 5.2 magnitude temblor hit southern California and was also widely felt in Los Angeles.
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Important Takeaways:
- US state is rocked by more than SIXTY earthquakes with up to 5.1 magnitude in a week
- A single county has reported more than 60 earthquakes in the last week, sparking a State of Emergency to be declared.
- Scurry County in West Texas was hit by a 5.1-magnitude quake on Friday, which was felt as far north as Oklahoma, followed by a 4.5-magnitude the next day.
- The epicenter in Hermleigh has now experienced 62 seismic events since last Monday (July 23)
- No damages or injuries have been reported.
- The largest quake was felt about 80 miles away in Lubbock and across parts of the South Plains.
- West Texas is not located on a major fault line, but features 250 minor ones that extents outward 1,800 miles from the Dallas-Fort Worth area
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